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Finding the Fourth Proportional to 2,299.44, 3,449.70 and 760.44

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Solution

The fourth proportional to 2,299.44, 3,449.70 and 760.44 is: 1,140.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.44 : 3,449.70 = 760.44 : x
  2. Step 2: Convert to fraction form
    2,299.44/3,449.70 = 760.44/x
  3. Step 3: Cross multiply
    2,299.44x = 3,449.70 × 760.44
  4. Step 4: Simplify right side
    2,299.44x = 2,623,286.07
  5. Step 5: Solve for x
    x = 2,623,286.07/2,299.44
  6. Step 6: Final answer
    x = 1,140.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.